/Engine/Source/Runtime/Core/Public/UObject/WeakObjectPtrTemplates.h
typedef [TDefaultMapKeyFuncs](API\Runtime\Core\Containers\TDefaultMapKeyFuncs)< [KeyType](API\Runtime\Core\Containers\BaseKeyFuncs\KeyType), ValueType, bInAllowDuplicateKeys >::[KeyInitType](API\Runtime\Core\Containers\TDefaultMapKeyFuncs\KeyInitType) KeyInitType